Actinomycetia

Actinomycetia
Scanning electron micrograph of Actinomyces israelii.
Scientific classification
Domain:	Bacteria
Phylum:	Actinomycetota
Class:	Actinomycetia (Stackebrandt et al. 1997) Salam et al. 2020[1]
Orders
See text.
Synonyms
Actinobacteria Stackebrandt et al. 1997 emend. Nouioui et al. 2018, emended name 1) Actinomycetes Krassilnikov 1949 (Approved Lists 1980) Arabobacteria Cavalier-Smith 2002 Arthrobacteria Cavalier-Smith 2002 Streptomycetes Cavalier-Smith 2002

The Actinomycetia are a class of bacteria.^[2]

Orders

The class Actinomycetia comprises the following orders:^[3]

• Acidothermales Sen et al. 2014
• Actinomycetales Buchanan 1917 (Approved Lists 1980)
• Actinopolysporales Goodfellow and Trujillo 2015
• Bifidobacteriales Stackebrandt et al. 1997
• Catenulisporales Donadio et al. 2015
• Cryptosporangiales Nouioui et al. 2018
• Frankiales Sen et al. 2014
• Geodermatophilales Sen et al. 2014
• Glycomycetales Labeda 2015
• Jatrophihabitantales Salam et al. 2020
• Jiangellales Tang et al. 2015
• Kineosporiales Kämpfer 2015
• Micrococcales Prévot 1940 (Approved Lists 1980)
• Micromonosporales Genilloud 2015
• Mycobacteriales Janke 1924 (Approved Lists 1980)
• Nakamurellales Sen et al. 2014
• Propionibacteriales (Rainey et al. 1997) Patrick and McDowell 2015
• Pseudonocardiales Labeda and Goodfellow 2015
• Sporichthyales Nouioui et al. 2018
• Streptomycetales Cavalier-Smith 2002
• Streptosporangiales Goodfellow 2015

Genera incertae sedis

The following genera have been assigned to class Actinobacteria, but not to an order or a family:^[3]

• "Acidithiomicrobium" Davis-Belmar and Norris 2009
• "Candidatus Ancillula" Strassert et al. 2012
• "Candidatus Neomicrothrix" corrig. Blackall et al. 1996
• "Candidatus Nostocoides" corrig. Blackall et al. 2000

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN).^[3] The phylogeny is based on whole-genome analysis.^[4]

References